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Small Whale · Reading worksheet

Timeline of discovery of Solar System planets and their moons

High school (ages 12+)
Space & Astronomy

Name: 

Date: 

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/timeline-of-discovery-of-solar-system-planets-and-their-moons

Step 2 · Questions

  1. 1. Who discovered Timeline of discovery of Solar System planets and their moons?

Step 3 · Words to know

Write what each word means, using the article.

  • Geocentric Model

  • Heliocentric Model

  • Celestial Mechanics

  • Accretion

Step 4 · Two facts in your own words

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

1.
2.
Free to print and copy for classroom use.Timeline of discovery of Solar System planets and their moons · smallwhale.org/articles/timeline-of-discovery-of-solar-system-planets-and-their-moons · CC BY-SA 4.0